npm

Set author info

npm set init.author.name "Your Name"
npm set init.author.email "you@example.com"
npm set init.author.url "http://yourblog.com"

npm adduser

Then create a package.json and publish it:

cd /path/to/your-project
npm init

npm install -g pakmanager
# this shows you dependencies as you `require`d them
pakmanager deps
# now edit `package.json`

npm publish ./

If you don't want something to install by default

npm publish ./ --tag beta

If you published a bugfix as v1.0.7 and need to set v1.1.3 back to latest

npm tag foobar@1.1.3 latest

More info

https://docs.npmjs.com/developers